This study develops methods for countering schedule disruptions in intermodal or intramodal freight transportation systems operating in time-dependent, stochastic, and dynamic environments. When routine disruptions occur (e.g., traffic congestion, vehicle failures, or demand fluctuations) in preplanned intermodal timed-transfer systems, this dispatching control model determines through an optimization process whether each ready outbound vehicle should be dispatched immediately or held waiting for some late-incoming vehicles with connecting freight. Another submodel is developed to deal with the freight left over because of missed connections. Through a series of cases solved with a hybrid genetic algorithm–sequential quadratic programming algorithm, the model demonstrates its ability to minimize net costs through its dispatching decisions.


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    Title :

    Alleviating Schedule Disruptions at Intermodal Freight Transfer Terminals


    Subtitle :

    Real-Time Dispatching Control


    Additional title:

    Transportation Research Record: Journal of the Transportation Research Board


    Contributors:


    Publication date :

    2011-01-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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